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发明名称
Sandpaper holder
摘要
申请公布号
US1927574(A)
申请公布日期
1933.09.19
申请号
US19280291196
申请日期
1928.07.09
申请人
PARKS FREDERICK C
发明人
PARKS FREDERICK C.
分类号
B24D15/02
主分类号
B24D15/02
代理机构
代理人
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